MMD (Modern Muscle Design) is Mustang Styling Parts brand that leads the industry in both designing and manufacturing the highest quality and most popular Mustang Parts on the market. MMD designs their Mustang Parts using Ford OEM CAD data and the highest standards for quality. Their engineers design, build and test all of their Mustang Parts in-house, allowing them to guarantee fitment and quality to make sure they last. MMD builds their Mustang Styling Parts using inspiration from all Mustangs from classic to modern. Want to turn heads and win trophies in your Mustang? Make sure to check out all that MMD Mustang Parts has to offer. less